82647075261 has 8 divisors (see below), whose sum is σ = 110391832800. Its totient is φ = 55000183952.

The previous prime is 82647075233. The next prime is 82647075289. The reversal of 82647075261 is 16257074628.

It is an interprime number because it is at equal distance from previous prime (82647075233) and next prime (82647075289).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82647075261 - 2⁵ = 82647075229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82647075261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82647075221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24464586 + ... + 24467963.

It is an arithmetic number, because the mean of its divisors is an integer number (13798979100).

Almost surely, 2^82647075261 is an apocalyptic number.

It is an amenable number.

82647075261 is a deficient number, since it is larger than the sum of its proper divisors (27744757539).

82647075261 is a wasteful number, since it uses less digits than its factorization.

82647075261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48933115.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 82647075261 in words is "eighty-two billion, six hundred forty-seven million, seventy-five thousand, two hundred sixty-one".